bashshellargumentsrsyncstripslashes

What is the simplest way to remove a trailing slash from each parameter?


What is the simplest way to remove a trailing slash from each parameter in the '$@' array, so that rsync copies the directories by name?

rsync -a --exclude='*~' "$@" "$dir"

The title has been changed for clarification. To understand the comments and answer about multiple trailing slashes see the edit history.


Solution

  • You can use the ${parameter%word} expansion that is detailed here. Here is a simple test script that demonstrates the behavior:

    #!/bin/bash
    
    # Call this as:
    #   ./test.sh one/ two/ three/ 
    #
    # Output:
    #  one two three
    
    echo ${@%/}